Regarding Potential detail: ("bad handshake: Error([('SSL routines', 'ssl3_get_server_certificate', 'certificate verify failed')],)",)

[Ajay Wisawe]

Hello Folks

I am trying to integrate MAPR Hue-4.2.0 with httpfs on MAPR Secured cluster.

I know the error is something related to SSL certificates but cant find where to look at exactly.

I want to understand what exact command is passed to initiate the connection from HUE to HTTPFS

Any help is appreciated.

I am getting below errors :

[05/May/2020 18:14:28 +0200] connectionpool INFO     Starting new HTTPS connection (3): ezszxs7l.ez.edeka.net:14000

[05/May/2020 18:14:28 +0200] exceptions_renderable ERROR    Potential detail: ("bad handshake: Error([('SSL routines', 'ssl3_get_server_certificate', 'certificate verify failed')],)",)

[05/May/2020 18:14:28 +0200] exceptions_renderable ERROR    Potential trace: [('/opt/mapr/hue/hue-4.2.0/apps/filebrowser/src/filebrowser/views.py', 205, 'view', 'stats = request.fs.stats(path)'), ('/opt/mapr/hue/hue-4.2.0/desktop/core/src/desktop/lib/fs/proxyfs.py', 118, 'stats', 'return self._get_fs(path).stats(path)'), ('/opt/mapr/hue/hue-4.2.0/desktop/libs/hadoop/src/hadoop/fs/webhdfs.py', 333, 'stats', 'res = self._stats(path)'), ('/opt/mapr/hue/hue-4.2.0/desktop/libs/hadoop/src/hadoop/fs/webhdfs.py', 327, '_stats', 'raise ex')]

[05/May/2020 18:14:28 +0200] middleware   INFO     Processing exception: Cannot access: /user/mapr. : Traceback (most recent call last):

  File "/opt/mapr/hue/hue-4.2.0/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/handlers/base.py", line 112, in get_response

    response = wrapped_callback(request, *callback_args, **callback_kwargs)

  File "/opt/mapr/hue/hue-4.2.0/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/db/transaction.py", line 371, in inner

    return func(*args, **kwargs)

  File "/opt/mapr/hue/hue-4.2.0/apps/filebrowser/src/filebrowser/views.py", line 235, in view

    raise PopupException(msg , detail=e)

PopupException: Cannot access: /user/mapr.

[Romain Rigaux]

Probably for the [hadoop] [[hdfs]]

ssl_cert_ca_verify=False

or need to use proper certificates?

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[Ajay Wisawe]

Thanks Romain

I shall try this and get back to you.

Thanks

Ajay

--

Regards

Ajay Wisawe

Email : ajay....@hpe.com

[Romain Rigaux]

The lib is https://github.com/cloudera/hue/blob/master/desktop/libs/hadoop/src/hadoop/fs/webhdfs.py

On Tue, May 5, 2020 at 4:03 PM Ajay Wisawe <awi...@mapr.com> wrote:

Hello Romain

But is it possible for you to tell me what exact command is initiated to establish the connection to HTTPFS from HUE